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Patient handout

Peritonsillar abscess (quinsy)

PRODUCTION

1. Your condition

This handout is for peritonsillar abscess (quinsy). Your care team identified this based on: severe unilateral sore throat with trismus, dysphagia, and odynophagia worsening over 2-5 days (classic peritonsillar abscess presentation — klug dan med j 2017; kim acad emerg med 2023).

Other reasons your team may use this plan: "hot-potato"/muffled voice with uvular deviation, soft-palate fullness, and contralateral tonsillar displacement (cardinal abscess sign — chang cochrane 2016); drooling / pooled secretions with trismus and inability to tolerate oral secretions — airway + dehydration entry (klug dan med j 2017); ≥1 prior peritonsillar abscess or recurrent tonsillitis — recurrence / quinsy-tonsillectomy entry (aao-hns tonsillectomy 2019 — >1 pta is a tonsillectomy modifying factor).

2. Your medications

Take these medications exactly as prescribed. Do not stop or change a dose without talking to your provider.

MedicationStarting doseHowWhenWhat it does
needle_aspirationChang Cochrane 2016 (PMID 28009937) — needle aspiration is less painful than I&D; very-low-quality evidence suggests higher recurrence (RR 3.74, 95% CI 1.63-8.59 favouring I&D); often POCUS-guided (Todsen Diagnostics 2018, PMID 30072648)
incision_and_drainageChang Cochrane 2016 (PMID 28009937) — I&D associated with lower recurrence than aspiration (RR 3.74); Mansour Eur Arch Otorhinolaryngol 2019 (PMID 31300842) — shorter LOS + fewer repeat procedures vs aspiration; post-I&D bleeding ~3.6%
quinsy_acute_tonsillectomyRosi-Schumacher Int J Pediatr Otorhinolaryngol 2023 (PMID 37352593) — quinsy tonsillectomy and I&D have equivalent outcomes; Gawel Int Arch Otorhinolaryngol 2025 (PMID 41113746) — quinsy tonsillectomy safe (no excess haemorrhage) despite higher comorbidity

Plan: Peritonsillar abscess — drainage ladder + anaerobe/GAS antimicrobial + adjunct steroid

4. When to seek emergency care

Call 911 or go to the nearest emergency room right away if you have:

  • Stridor, tripod posture, air hunger, severe drooling with cyanosis, or rapidly deteriorating airway with trismus + muffled voice (Klug Dan Med J 2017 — airway obstruction is a PTA complication)(life-threatening)
  • Very high / rapidly rising CRP (e.g. >190-340 mg/L), chest or back pain, dyspnoea, or anterior-visceral/retropharyngeal space involvement on CT (Hu Medicina 2022 — mortality up to 85% if untreated)(life-threatening)
  • Lateral/posterior neck swelling, torticollis, neck stiffness, trismus out of proportion, or posterior pharyngeal bulge — deep-space extension beyond the peritonsillar space (Klug Dan Med J 2017 — ~52% PPA had concomitant PTA)
  • Rigors, pleuritic chest pain, neck-vein tenderness, septic pulmonary emboli, or persistent bacteraemia after an oropharyngeal infection — Fusobacterium necrophorum internal-jugular thrombophlebitis (Wright South Med J 2012; Tiwari Cureus 2023)(life-threatening)
  • qSOFA ≥2, hypotension on adequate fluids, or NEWS2/SIRS-positive systemic toxicity with the deep-neck source (SSC; Rosi-Schumacher 2023 — ~51% pediatric PTA met SIRS/sepsis)

5. Follow-up

Smoking-cessation counselling (smoking is an independent PTA risk factor — Klug Dan Med J 2017); ENT follow-up; recurrence counselling. Interval/quinsy tonsillectomy candidacy if ≥1 prior PTA or recurrent tonsillitis meeting AAO-HNS modifying-factor criteria (AAO-HNS Tonsillectomy 2019; Rosi-Schumacher 2023 — quinsy and interval tonsillectomy equivalent outcomes). Counsel return precautions for re-accumulation, airway, and Lemierre.

6. Sources

Guideline: Cochrane needle-aspiration-vs-incision-and-drainage review (Chang et al, Cochrane Database Syst Rev 2016) + Kim et al ultrasound diagnostic-accuracy systematic review/meta-analysis (Acad Emerg Med 2023) + Hur et al adjunct-corticosteroid systematic review (Laryngoscope 2018) + AAO-HNS Clinical Practice Guideline: Tonsillectomy in Children — Update (Mitchell et al, 2019) + Klug Fusobacterium-microbiology body of work (Dan Med J 2017) + Wright/Tiwari Lemierre literature

  1. pubmed.ncbi.nlm.nih.gov/28009937
  2. pubmed.ncbi.nlm.nih.gov/36625850
  3. pubmed.ncbi.nlm.nih.gov/28561258